Collinsville, IL

View of Collinsville, IL
Image credit: Paul Sableman / CC BY 2.0
Population
23,717
U.S. Census Population Estimates Program · 2025
Elevation
564 ft
Median Home Value
$163,600
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,038/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$67,612
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Collinsville

Living in Collinsville means having thousands of years of history right in your backyard. Just west of town sits Cahokia Mounds, an ancient Indigenous landmark featuring the massive 100-foot Monks Mound and miles of peaceful walking trails. Locals treat the grounds like a favorite neighborhood park, heading out for morning jogs, dog walks, and sunset hikes with scenic views stretching across the valley toward the St. Louis skyline. Heading east from the mounds, the landscape transitions into rolling, wooded bluffs where established residential streets surround the heart of town.

Collinsville watertower

Uptown Collinsville serves as the community gathering spot, centered along a classic Main Street lined with local diners, mom-and-pop shops, and historic brick buildings. The town takes pride in its quirky heritage, celebrating its status as the Horseradish Capital of the World with the annual International Horseradish Festival each summer, alongside the popular Italian Fest in September. You will also spot the giant Brooks Catsup Bottle water tower standing tall on the south side, an eccentric local landmark that draws road-trippers and locals alike. For everyday recreation, residents head to the Collinsville Aqua Park, explore neighborhood green spaces, or take Madison County Transit buses for easy trips up to Edwardsville.

Illinois Collinsville NARA 23939825 (cropped)

The local housing market offers a healthy variety of styles, from historic craftsman bungalows near Uptown to newer suburban subdivisions built along the bluffs and the Beltline corridor. When searching for a home, note that Collinsville covers parts of both Madison and St. Clair counties, which can affect property tax rates and county services. Most local students attend schools in Collinsville Community Unit School District 10, so confirming specific elementary boundary lines for any given address is a helpful step during your search. Commuters enjoy direct access to Interstates 55, 70, and 255, putting downtown St. Louis an easy twenty-minute drive away.

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